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Cheap flights from St. Louis to Canada from C$ 138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Canada departing on 1/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from St. Louis to Canada

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:51 p.m. - 1:55 p.m.
STL
-
YVR
25h 04m2 stops
Multiple Airlines Logo
7:30 a.m. - 11:59 p.m.
YVR
-
STL
14h 29m1 stop
C$ 335Multiple Airlines
Sat, 14 Feb - Mon, 23 Feb
Multiple Airlines Logo
8:32 p.m. - 11:44 a.m.
STL
-
YYC
16h 12m1 stop
Multiple Airlines Logo
9:45 p.m. - 6:51 a.m.
YYC
-
STL
32h 06m2 stops
C$ 345Multiple Airlines
Sat, 17 Jan - Mon, 26 Jan
United Airlines Logo
7:00 a.m. - 2:31 p.m.
STL
-
YHZ
5h 31m1 stop
United Airlines Logo
9:00 a.m. - 3:29 p.m.
YHZ
-
STL
8h 29m1 stop
C$ 433United Airlines
Mon, 2 Feb - Fri, 6 Feb
Air Canada Logo
4:05 p.m. - 12:06 a.m.
STL
-
YHZ
6h 01m1 stop
Air Canada Logo
9:00 a.m. - 3:29 p.m.
YHZ
-
STL
8h 29m1 stop
C$ 436Air Canada
Mon, 2 Feb - Fri, 6 Feb
Air Canada Logo
7:30 a.m. - 8:30 p.m.
STL
-
YHZ
11h 00m2 stops
Air Canada Logo
7:05 a.m. - 12:06 p.m.
YHZ
-
STL
7h 01m1 stop
C$ 443Air Canada
Sat, 6 Jun - Sat, 13 Jun
United Airlines Logo
6:40 p.m. - 2:31 p.m.
STL
-
YHZ
17h 51m2 stops
United Airlines Logo
3:15 p.m. - 10:58 p.m.
YHZ
-
STL
9h 43m2 stops
C$ 458United Airlines
Mon, 2 Feb - Fri, 6 Feb
American Airlines Logo
6:00 a.m. - 3:08 p.m.
STL
-
YUL
8h 08m1 stop
American Airlines Logo
3:50 p.m. - 10:20 a.m.
YUL
-
STL
19h 30m1 stop
C$ 484American Airlines
Mon, 2 Feb - Wed, 4 Feb
American Airlines Logo
11:05 a.m. - 10:59 p.m.
STL
-
YUL
10h 54m2 stops
American Airlines Logo
7:30 a.m. - 6:14 p.m.
YUL
-
STL
11h 44m2 stops
C$ 491American Airlines
Mon, 2 Feb - Wed, 4 Feb
Delta Logo
6:10 a.m. - 11:03 a.m.
STL
-
YWG
4h 53m1 stop
Delta Logo
6:40 a.m. - 2:38 p.m.
YWG
-
STL
7h 58m1 stop
C$ 537Delta
Tue, 13 Jan - Tue, 20 Jan
Delta Logo
3:31 p.m. - 11:38 p.m.
STL
-
YWG
8h 07m1 stop
Delta Logo
5:21 p.m. - 11:25 p.m.
YWG
-
STL
6h 04m1 stop
C$ 539Delta
Wed, 21 Jan - Wed, 28 Jan

United Airlines flights from St. Louis to Canada

Our best United Airlines deals on St. Louis to Canada flight tickets
United Airlines
2 Feb
STL7:00 a.m.Lambert-St Louis
5h 31m
1 stop
YHZ2:31 p.m.Halifax Intl
6 Feb
YHZ9:00 a.m.Halifax Intl
8h 29m
1 stop
STL3:29 p.m.Lambert-St Louis
C$ 433
Find similar
United Airlines
2 Feb
STL6:40 p.m.Lambert-St Louis
17h 51m
2 stops
YHZ2:31 p.m.Halifax Intl
6 Feb
YHZ3:15 p.m.Halifax Intl
9h 43m
2 stops
STL10:58 p.m.Lambert-St Louis
C$ 458
Find similar
United Airlines
2 Feb
STL8:30 a.m.Lambert-St Louis
13h 36m
2 stops
YHZ12:06 a.m.Halifax Intl
6 Feb
YHZ3:15 p.m.Halifax Intl
9h 43m
2 stops
STL10:58 p.m.Lambert-St Louis
C$ 468
Find similar

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
2 Feb
STL4:05 p.m.Lambert-St Louis
6h 01m
1 stop
YHZ12:06 a.m.Halifax Intl
6 Feb
YHZ9:00 a.m.Halifax Intl
8h 29m
1 stop
STL3:29 p.m.Lambert-St Louis
C$ 436
Find similar
Air Canada
6 Jun
STL7:30 a.m.Lambert-St Louis
11h 00m
2 stops
YHZ8:30 p.m.Halifax Intl
13 Jun
YHZ7:05 a.m.Halifax Intl
7h 01m
1 stop
STL12:06 p.m.Lambert-St Louis
C$ 443
Find similar
Air Canada
2 Feb
STL4:05 p.m.Lambert-St Louis
6h 01m
1 stop
YHZ12:06 a.m.Halifax Intl
6 Feb
YHZ6:55 a.m.Halifax Intl
10h 34m
2 stops
STL3:29 p.m.Lambert-St Louis
C$ 447
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Canada that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 26 December 2025.
Use the filters below to find and compare flights from St. Louis to Canada that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 14/2

2:51 p.m.-1:55 p.m.

2 stops25h 04m

Vancouver Intl

Mon 23/2

7:30 a.m.-11:59 p.m.

1 stop14h 29m

C$ 335

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 17/1

8:32 p.m.-11:44 a.m.

1 stop16h 12m

Calgary

Mon 26/1

9:45 p.m.-6:51 a.m.

2 stops32h 06m

C$ 345

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Mon 2/2

7:00 a.m.-2:31 p.m.

1 stop5h 31m

Halifax Intl

Fri 6/2

9:00 a.m.-3:29 p.m.

1 stop8h 29m

C$ 433

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Mon 2/2

4:05 p.m.-12:06 a.m.

1 stop6h 01m

Halifax Intl

Fri 6/2

9:00 a.m.-3:29 p.m.

1 stop8h 29m

C$ 436

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Sat 6/6

7:30 a.m.-8:30 p.m.

2 stops11h 00m

Halifax Intl

Sat 13/6

7:05 a.m.-12:06 p.m.

1 stop7h 01m

C$ 443

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Mon 2/2

6:40 p.m.-2:31 p.m.

2 stops17h 51m

Halifax Intl

Fri 6/2

3:15 p.m.-10:58 p.m.

2 stops9h 43m

C$ 458

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 2/2

6:00 a.m.-3:08 p.m.

1 stop8h 08m

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

3:50 p.m.-10:20 a.m.

1 stop19h 30m

C$ 484

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 2/2

11:05 a.m.-10:59 p.m.

2 stops10h 54m

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

7:30 a.m.-6:14 p.m.

2 stops11h 44m

C$ 491

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Tue 13/1

6:10 a.m.-11:03 a.m.

1 stop4h 53m

Winnipeg

Tue 20/1

6:40 a.m.-2:38 p.m.

1 stop7h 58m

C$ 537

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Wed 21/1

3:31 p.m.-11:38 p.m.

1 stop8h 07m

Winnipeg

Wed 28/1

5:21 p.m.-11:25 p.m.

1 stop6h 04m

C$ 539

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Canada from

How to get the cheapest flight ticket from St. Louis to Canada

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Canada?

In general, April is the cheapest month to fly from St. Louis to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 429. If you’re not able to fly to Canada in April, then June is your next best option. Flight prices from St. Louis to Canada during June average around C$ 536.

What is the cheapest day to depart on your flight to Canada?

Our data shows that Friday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 574. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around C$ 890. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.

What is the cheapest time of day to depart on your flight to Canada?

According to our data, the cheapest time of day to fly to Canada is at noon. momondo users have found flights departing from St. Louis to Canada at noon for as low as C$ 586. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 759 per ticket.

What is the cheapest Lambert-St Louis to Canada flight route?

Fly from Lambert-St Louis to Toronto Pearson Intl for the best Lambert-St Louis - Canada flight prices

How far in advance should I book a flight to Canada?

You are more likely to see cheaper flights to Canada from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 695 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from St. Louis for as low as C$ 302 on momondo.

What cabin class options are available on Lambert-St Louis to Canada flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Canada flights?

You could potentially save up to 44% on your flight if you consider stops on a St. Louis to Canada flight.

Cheap St. Louis to Canada flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Canada

Fastest flight time

1h 51m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Canada

513 airports
The fastest flight from St. Louis to Canada takes 1h 51m
Direct flights go from St. Louis to Canada on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There are 513 airports in Canada. From St. Louis there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ).
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Canada?

    Prices for flights from Lambert-St Louis Airport to Canada are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Canada?

  • How old do you have to be to fly from Lambert-St Louis Airport to Canada?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Canada.

  • What documentation or ID do you need to fly to Canada?

    The travel and health documents you'll need for your trip to Canada may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Canada. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Canada?

Best airlines flying from St. Louis to Canada

Compare and see reviews for airlines that fly from St. Louis to Canada with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 298Free CancellationRating
7.1
10,560 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Canada?

It is quick and easy to find St. Louis to Canada flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Canada that suits you.

Can I find flights from St. Louis to Canada with flexible booking policies on momondo?

Yes. All flights to Canada from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Canada?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Canada.

I’m not ready to book a flight from St. Louis to Canada right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Canada now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Canada and let you know when they change.

An easier way to manage your Canada trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Canada

Popular Cities in Canada

Popular flights according to clicks in the last 7 days on momondo
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